Ecology: Populations

Front

What factor describes when populations increase because animals are moving into a population?

Back

Immigration

Front

What factor describes when populations decrease because animals are moving out of a population?

Back

Emigration

Front

What does the graph represent?

Back

Exponential growth

Front

What does the graph represent?

Back

Logistic Growth

Front

A population is...

Back

A group of one species in one area

Front

What is happening at the 'B' on the graph?

Back

growth begins to slow down due to limited resources

Front

(Birth rate + immigration) - (death rate + emigration)= ???

Back

population growth

Front

What type of factor has an increasing impact as the population size increases?

Back

density-dependent

Front

As a population of a species increases within a territory, what most likely also increases?

Back

Competition

Front

Which population growth model most closely describes the human population in the modern age?

Back

exponential growth